save project

diy1.py

@@ -3,7 +3,7 @@ import turtle
 screen=turtle.Screen()
 screen.bgcolor("light blue")
 len=screen.textinput("100","100")
-len=int(len)
+
 pen=turtle.Pen()
 pen.write("你好\nSB.",font=("Times",30,"normal"))
 pen.hideturtle()
@@ -15,7 +15,7 @@ pen.pensize(5)
 pen.pencolor("red")
 pen.left(45)
 pen.forward(2*len)
-pen.circle(len,180)
+len=30
 pen.right(90)
 pen.circle(len,180)
 pen.forward(2*len)